Geometry crossword project

2. when looking up to an object. formed by an observers line of sight and horizontal line
4. two rays intersecting at a endpoint. symbol is <ABC.
5. angle that measures less than 90 degrees. common in triangles.
7. two angles across from each other. also in intersecting lines.
9. made up of points with no thickness or width. forms shapes.
10. flat surface. made off points and spreads indefinitely.
12. when looking down to an object. congruent to the angle of elevation.
16. two lines that intersect. forms a 90 degree angle.
17. line or ray that divides an angle into two equal parts. two angles beside each other.
19. two angles with sum of 90 degrees. usually has a line that divides into two angles.
20. anle that measures over 90 degrees. common in octagons and hexagons.

1. measurable part of a line. consist two endpoints.
3. two angles that form a 180 degrees. usually one angle over 90 degrees.
6. two lines that never cross. symbol is ll
8. shape that all sides are congruent. diagnols are perpendicular.
11. location without a shape or size. not connected.
13. angle with measure of 90 degrees. most common in squares and triangles.
14. angle with degree exactly 180 degrees. its a line.
15. shape that all sides hare 4 right angles. all equal sides.
18. line that ends one way but infinite the other. never ends in one direction.